The M-15A4 offers the flexibility of the picatinny rail applied to a standard grade .223 caliber rifle. Light recoiling and accurate, this is a fine, flexible rifle for law enforcement. All of these flat top models accept Armalite's removable front sights and carry handles, and other devices conforming to MIL-STD-1913 Picatinny rails. Comes with one magazine, sling, owners manual and limited lifetime warranty.